CommandTop.java

package com.forgeessentials.teleport;

import java.util.List;

import net.minecraft.command.ICommandSender;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.init.Blocks;
import net.minecraftforge.permission.PermissionLevel;
import net.minecraftforge.permission.PermissionManager;

import com.forgeessentials.api.UserIdent;
import com.forgeessentials.commons.selections.WarpPoint;
import com.forgeessentials.core.commands.ForgeEssentialsCommandBase;
import com.forgeessentials.core.misc.TeleportHelper;
import com.forgeessentials.core.misc.TranslatedCommandException;

import cpw.mods.fml.common.FMLCommonHandler;

public class CommandTop extends ForgeEssentialsCommandBase
{

    @Override
    public String getCommandName()
    {
        return "top";
    }

    @Override
    public void processCommandPlayer(EntityPlayerMP sender, String[] args)
    {
        if (args.length == 0)
        {
            top(sender);
        }
        else if (args.length == 1 && PermissionManager.checkPermission(sender, TeleportModule.PERM_TOP_OTHERS))
        {
            EntityPlayerMP player = UserIdent.getPlayerByMatchOrUsername(sender, args[0]);
            if (player != null)
            {
                top(player);
            }
            else
                throw new TranslatedCommandException("Player %s does not exist, or is not online.", args[0]);
        }
        else
            throw new TranslatedCommandException("Improper syntax. Please try this instead: <player>");
    }

    @Override
    public void processCommandConsole(ICommandSender sender, String[] args)
    {
        if (args.length == 1)
        {
            EntityPlayerMP player = UserIdent.getPlayerByMatchOrUsername(sender, args[0]);
            if (player != null)
            {
                top(player);
            }
            else
                throw new TranslatedCommandException("Player %s does not exist, or is not online.", args[0]);
        }
        else
            throw new TranslatedCommandException("Improper syntax. Please try this instead: <player>");
    }

    public void top(EntityPlayerMP player)
    {
        WarpPoint point = new WarpPoint(player);
        point.setY(player.worldObj.getActualHeight());
        while (player.worldObj.getBlock(point.getBlockX(), point.getBlockY(), point.getBlockZ()) == Blocks.air)
        {
            point.setY(point.getY() - 1);
        }
        TeleportHelper.teleport(player, point);
    }

    @Override
    public boolean canConsoleUseCommand()
    {
        return true;
    }

    @Override
    public String getPermissionNode()
    {
        return TeleportModule.PERM_TOP;
    }

    @Override
    public List<String> addTabCompletionOptions(ICommandSender sender, String[] args)
    {
        if (args.length == 1)
        {
            return getListOfStringsMatchingLastWord(args, FMLCommonHandler.instance().getMinecraftServerInstance().getAllUsernames());
        }
        else
        {
            return null;
        }
    }

    @Override
    public PermissionLevel getPermissionLevel()
    {
        return PermissionLevel.TRUE;
    }

    @Override
    public String getCommandUsage(ICommandSender sender)
    {

        return "/top <player> Teleport you or another player to the top of the world.";
    }

}